Examples with OkUrlFactory io.apiman.gateway.platforms.servlet.connectors.ok.OkUrlFactory used on opensource projects

Example 1 with OkUrlFactory

use of io.apiman.gateway.platforms.servlet.connectors.ok.OkUrlFactory in project apiman by apiman.

the class HttpApiConnection method connect.

/**
 * Connects to the back end system.
 */
private void connect() throws ConnectorException {
    try {
        String endpoint = ApimanPathUtils.join(api.getEndpoint(), request.getDestination());
        if (request.getQueryParams() != null && !request.getQueryParams().isEmpty()) {
            // $NON-NLS-1$
            String delim = "?";
            for (Entry<String, String> entry : request.getQueryParams()) {
                endpoint += delim + entry.getKey();
                if (entry.getValue() != null) {
                    // $NON-NLS-1$ //$NON-NLS-2$
                    endpoint += "=" + URLEncoder.encode(entry.getValue(), "UTF-8");
                }
                // $NON-NLS-1$
                delim = "&";
            }
        }
        URL url = new URL(endpoint);
        OkUrlFactory factory = new OkUrlFactory(client);
        connection = factory.open(url);
        boolean isSsl = connection instanceof HttpsURLConnection;
        if (requiredAuthType == RequiredAuthType.MTLS && !isSsl) {
            // $NON-NLS-1$
            throw new ConnectorException("Mutually authenticating TLS requested, but insecure endpoint protocol was indicated.");
        }
        if (requiredAuthType == RequiredAuthType.BASIC) {
            BasicAuthOptions options = new BasicAuthOptions(api.getEndpointProperties());
            if (options.getUsername() != null && options.getPassword() != null) {
                if (options.isRequireSSL() && !isSsl) {
                    // $NON-NLS-1$
                    throw new ConnectorException("Endpoint security requested (BASIC auth) but endpoint is not secure (SSL).");
                }
                String up = options.getUsername() + ':' + options.getPassword();
                StringBuilder builder = new StringBuilder();
                // $NON-NLS-1$
                builder.append("Basic ");
                builder.append(Base64.encodeBase64String(up.getBytes()));
                // $NON-NLS-1$
                connection.setRequestProperty("Authorization", builder.toString());
                // $NON-NLS-1$
                connectorConfig.suppressRequestHeader("Authorization");
            }
        }
        if (hasDataPolicy) {
            // $NON-NLS-1$
            connectorConfig.suppressRequestHeader("Content-Length");
        }
        if (isSsl) {
            HttpsURLConnection https = (HttpsURLConnection) connection;
            SSLSocketFactory socketFactory = sslStrategy.getSocketFactory();
            https.setSSLSocketFactory(socketFactory);
            https.setHostnameVerifier(sslStrategy.getHostnameVerifier());
        }
        setConnectTimeout(connection);
        setReadTimeout(connection);
        if (request.getType().equalsIgnoreCase("PUT") || request.getType().equalsIgnoreCase("POST")) {
            // $NON-NLS-1$ //$NON-NLS-2$
            connection.setDoOutput(true);
        } else {
            connection.setDoOutput(false);
        }
        connection.setDoInput(true);
        connection.setUseCaches(false);
        connection.setRequestMethod(request.getType());
        // Set the request headers
        for (Entry<String, String> entry : request.getHeaders()) {
            String hkey = entry.getKey();
            String hval = entry.getValue();
            if (!connectorConfig.getSuppressedRequestHeaders().contains(hkey)) {
                connection.addRequestProperty(hkey, hval);
            }
        }
        // Set or reset mandatory headers
        // $NON-NLS-1$
        connection.setRequestProperty("Host", url.getHost() + determinePort(url));
        connection.connect();
        connected = true;
    } catch (IOException error) {
        handleConnectionError(error);
    }
}